Presentation 2011-10-12
Response of SQUID inductance to magnetic nanoparticle films
Shun YANO, Takayuki OKUMURA, Hiroyuki AKAIKE, Akira FUJIMAKI,
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Abstract(in English) We present the response of SQUID inductance to magnetic nanoparticle films. We have been studying the use of magnetic materials including magnetic nanoparticles for fabricating high performance Single-Flux-Quantum (SFQ) circuits. In this work, we measured the inductance of Superconducting Quantum Interference Device (SQUID) with and without the Fe_3O_4 magnetic nanoparticle films formed by evaporating the solvent of magnetic nanoparticle solutions. Results showed that 13% and 15% increases in SQUID inductance were obtained for two kinds of SQUIDs with the films composed by 5nm nanoparticles. We also found that the increase in SQUID inductance was larger for a SQUID with the film of 5nm nanoparticles than for a SQUID with the film of 50nm in investigation of dependence of the inductance increase on nanoparticle size.
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Keyword(in English) Magnetic nanoparticle / Fe_3O_4 / SQUID / SFQ circuit
Paper # SCE2011-14
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Committee SCE
Conference Date 2011/10/5(1days)
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Paper Information
Registration To Superconductive Electronics (SCE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Response of SQUID inductance to magnetic nanoparticle films
Sub Title (in English)
Keyword(1) Magnetic nanoparticle
Keyword(2) Fe_3O_4
Keyword(3) SQUID
Keyword(4) SFQ circuit
1st Author's Name Shun YANO
1st Author's Affiliation Department of Quantum Engineering, Nagoya University()
2nd Author's Name Takayuki OKUMURA
2nd Author's Affiliation Department of Quantum Engineering, Nagoya University
3rd Author's Name Hiroyuki AKAIKE
3rd Author's Affiliation Department of Quantum Engineering, Nagoya University
4th Author's Name Akira FUJIMAKI
4th Author's Affiliation Department of Quantum Engineering, Nagoya University
Date 2011-10-12
Paper # SCE2011-14
Volume (vol) vol.111
Number (no) 230
Page pp.pp.-
#Pages 5
Date of Issue